Type the desired email address or domain under From. To whitelist an entire domain (all mail from an address ending in "entertainmentcareers.net", for example), type the just the domain name or the domain name preceded by '@'. To whitelist "entertainmentcareers.net", for instance, type "@entertainmentcareers.net" (not including the quotation marks).

You can create a master filter for all the domains/email addresses you want - You do not have to create a separate filter for each address.

Separate addresses with '|' in the From: field instead. To whitelist "@entertainmentcareers.net" " mybff@mybff.com" and "@warnerbros.com", enter "@entertainmentcareers.net|@warnerbros.com|mybff@mybff.com", for example.

Follow the Create filter with this search ››link at the bottom of the search sheet. - Make sure Never send it to Spam is checked.